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6182 Aluminum vs. Grade 17 Titanium

6182 aluminum belongs to the aluminum alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 6182 aluminum and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.8 to 13
27
Fatigue Strength, MPa 63 to 99
160
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
38
Shear Strength, MPa 140 to 190
180
Tensile Strength: Ultimate (UTS), MPa 230 to 320
270
Tensile Strength: Yield (Proof), MPa 130 to 270
210

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 600
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 160
23
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.4
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1170
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
68
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 23 to 32
17
Strength to Weight: Bending, points 30 to 38
21
Thermal Diffusivity, mm2/s 65
9.3
Thermal Shock Resistance, points 10 to 14
21

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.9 to 1.3
0
Titanium (Ti), % 0 to 0.1
99.015 to 99.96
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.4